They also benefit from 'Piety', which gives a -4 bonus to banditry for each cult building owned. Palymra, lead by the regent Queen Zenobia, receive the 'Enlightenment Ruler' trait, granting them a 20% boost to the research rate. They also receive a major diplomatic penalty with other Roman factions as a result of the 'True Roman' trait. There are 3 major Roman factions available to play: Palmyra, Gallic Rome and Rome, who all receive the 'Defenders of Civilisation' trait, giving them a 15% morale buff to all units when fighting in allied territory. Learn how to play the Roman factions in the Empire Divided DLC for Total War: ROME II with this handy guide.